Use after free in Safebrowsing in Google Chrome prior to 94.0.4606.71 allowed a remote attacker who had compromised the renderer process to…

published 2021-10-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24447

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

Use after free in Safebrowsing in Google Chrome prior to 94.0.4606.71 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Patch / fix

fixed in 1 distros 4

Google Chrome 94.0.4606.71

debian ubuntu opensuse arch linux

chromium Debian 14, Debian 13, Debian 12 97.0.4692.71-0.1

debian advisories DEBIAN-CVE-2021-37974

chromium-browser Ubuntu 18.04 LTS 94.0.4606.71-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2021-37974

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

chromium openSUSE Tumbleweed 94.0.4606.71-1.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1
opera openSUSE Leap 15.4 NonFree 85.0.4341.28-lp154.2.5.1
opera openSUSE Leap 15.3 NonFree 80.0.4170.63-lp153.2.27.1
opera openSUSE Leap 15.2 NonFree 80.0.4170.63-lp152.2.73.1
opera openSUSE Leap 15.3 NonFree, openSUSE Leap 15.2 NonFree 80.0.4170.16-lp153.2.24.1
chromium openSUSE Leap 15.2 94.0.4606.81-lp152.2.132.1
chromium Package Hub 15 SP3, openSUSE Leap 15.3 94.0.4606.71-bp153.2.31.1

opensuse advisories openSUSE-SU-2024:11555-1 openSUSE-SU-2024:12948-1 openSUSE-SU-2022:0110-1 openSUSE-SU-2021:1434-1 openSUSE-SU-2021:1433-1 openSUSE-SU-2021:1358-1

chromium Arch Linux 94.0.4606.71-1
vivaldi Arch Linux 4.2.2406.54-1

arch linux advisories AVG-2433 AVG-2435

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-37974 updated 2025-11-21 cvss 8.8

chromium-browser: Use after free in Safe Browsing

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Google Chrome

Classification

Weakness

CWE-416 Use After Free

Technology feeds

Google Chrome rss critical rss

References

lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/D63JZ3ROXCUHP4CFWDHCPZNTGET7T34R/
vendor-advisory
lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/FRFXUDH46PFVE75VQVWY6PYY5DK3S2XT/
vendor-advisory
lists.fedoraproject.org /archives/list/package-announce%40lists.fedoraproject.org/message/RNARCF5HEZK7GJXZRN5TQ45AQDCRM2WO/
vendor-advisory
debian.org /security/2022/dsa-5046
vendor-advisory, third-party-advisory
crbug.com /1245578
permissions-required, vendor-advisory
chromereleases.googleblog.com /2021/09/stable-channel-update-for-desktop_30.html
release-notes, vendor-advisory

Sources

CVE List CVE-2021-37974
NVD CVE-2021-37974

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary